- VU is defined as the abbreviation for volume unit.
An example of VU is what a sound engineer uses to determine the power output of music being recorded.
- Vu is the internet domain country code for Vanuatu.
An example of vu is the last two letters of the Internet address for the country of Vanuatu.
vu definition by Webster's New World
vu definition by American Heritage Dictionary
Variant of VU